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freebsd/etc/rc.d/var

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#!/bin/sh
#
# Copyright (c) 1999 Matt Dillon
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# PROVIDE: var
# REQUIRE: mountcritlocal
. /etc/rc.subr
name="var"
load_rc_config $name
_populate_var()
{
/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
case ${sendmail_enable} in
[Nn][Oo][Nn][Ee])
;;
*)
/usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
;;
esac
}
# If we do not have a writable /var, create a memory filesystem for /var
# unless told otherwise by rc.conf. We don't have /usr yet so use mkdir
# instead of touch to test. We want mount to record its mounts so we
# have to make sure /var/db exists before doing the mount -a.
#
case "${varmfs}" in
[Yy][Ee][Ss])
mount_md ${varsize} /var "${varmfs_flags}"
;;
[Nn][Oo])
;;
*)
if (/bin/mkdir -p /var/.diskless 2> /dev/null); then
rmdir /var/.diskless
else
mount_md ${varsize} /var "${varmfs_flags}"
fi
esac
# If we have an empty looking /var, populate it, but only if we have
# /usr available. Hopefully, we'll eventually find a workaround, but
# in realistic diskless setups, we're probably ok.
case "${populate_var}" in
[Yy][Ee][Ss])
_populate_var
;;
[Nn][Oo])
exit 0
;;
*)
if [ -d /var/run -a -d /var/db -a -d /var/empty ] ; then
true
elif [ -x /usr/sbin/mtree ] ; then
_populate_var
else
# We need mtree to populate /var so try mounting /usr.
# If this does not work, we can not boot so it is OK to
# try to mount out of order.
mount /usr
if [ ! -x /usr/sbin/mtree ] ; then
exit 1
else
_populate_var
fi
fi
;;
esac
# Make sure we have /var/log/lastlog and /var/log/wtmp files
if [ ! -f /var/log/lastlog ]; then
cp /dev/null /var/log/lastlog
chmod 644 /var/log/lastlog
fi
if [ ! -f /var/log/wtmp ]; then
cp /dev/null /var/log/wtmp
chmod 644 /var/log/wtmp
fi